An image provided by NOAA shows the hole in the ozone layer in 2015. NOAA scientists now say emissions of ...

An image provided by NOAA shows the hole in the ozone layer in 2015. NOAA scientists now say emissions of one ozone-depleting chemical appear to be rising, even though the chemical has been banned and ...

Jerrold Meinwald, who conducted pathbreaking studies of how creatures use chemicals to attract mates, rep ...

Jerrold Meinwald, who conducted pathbreaking studies of how creatures use chemicals to attract mates, repel predators and send other messages back and forth, died on April 23 at his home in Ithaca, N. ...

Image copyright NASA/SCIENCE PHOTO LIBRARY Image caption Ozone depletion over the Arctic has been much less pronounced than over the Antarctic Scientists have detected an unexpected rise in atmospheri ...

The international monitoring group investigating a suspected chemical weapons attack on a Syrian town sai ...

The international monitoring group investigating a suspected chemical weapons attack on a Syrian town said its experts had finally been able to visit the site on Saturday after repeated delays and the ...

Inspectors from the global chemical weapons watchdog have finally reached a formerly rebel-held town in S ...

Inspectors from the global chemical weapons watchdog have finally reached a formerly rebel-held town in Syria where a suspected gas attack took place two weeks ago. Saturday's visit to Douma came a we ...

WASHINGTON — A barrage of missiles in Syria by American, French and British forces most likely will not s ...

WASHINGTON — A barrage of missiles in Syria by American, French and British forces most likely will not stop President Bashar al-Assad’s chemical weapons program, a Pentagon assessment has concluded, ...

US President Donald Trump announced on Friday the operation against Syria, framing his decision as a figh ...

US President Donald Trump announced on Friday the operation against Syria, framing his decision as a fight against "evil" while saying days earlier that preventing chemical attacks is "about humanity" ...

A team from the Organization for the Prohibition of Chemical Weapons arrived in the Syrian capital, Damas ...

A team from the Organization for the Prohibition of Chemical Weapons arrived in the Syrian capital, Damascus, on Saturday, with a mandate to investigate the attack. But the team has not yet been able ...

Image copyright Reuters Image caption Experts confirmed that the nerve agent Sarin was used in an attack ...

Image copyright Reuters Image caption Experts confirmed that the nerve agent Sarin was used in an attack in the Ghouta in 2013 Five days after they arrived in Syria, inspectors from the Organisation f ...

The group describes itself as “an independent, autonomous, international organization with a working rela ...

The group describes itself as “an independent, autonomous, international organization with a working relationship with the United Nations.”In 2013, Syria signed the convention and agreed to eliminate ...